Home / 58,359.71-87,518.21-20,909.77

Finding the Fourth Proportional to 58,359.71, 87,518.21 and 20,909.77

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Solution

The fourth proportional to 58,359.71, 87,518.21 and 20,909.77 is: 31,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,359.71 : 87,518.21 = 20,909.77 : x
  2. Step 2: Convert to fraction form
    58,359.71/87,518.21 = 20,909.77/x
  3. Step 3: Cross multiply
    58,359.71x = 87,518.21 × 20,909.77
  4. Step 4: Simplify right side
    58,359.71x = 1,829,985,318.57
  5. Step 5: Solve for x
    x = 1,829,985,318.57/58,359.71
  6. Step 6: Final answer
    x = 31,357.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.